344947-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344947-98-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,9,4 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 344947-98:
(8*3)+(7*4)+(6*4)+(5*9)+(4*4)+(3*7)+(2*9)+(1*8)=184
184 % 10 = 4
So 344947-98-4 is a valid CAS Registry Number.